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Honeycomb Izak Catshark (Holohalaelurus favus)

The Honeycomb Izak Catshark is a difficult shark to spot these days. Once abundant in the waters off Kwazulu-Natal, South Africa, and Mozambique, the unique species has mysteriously vanished from sight. Interestingly, juvenile H. favus appears to have adapted to deeper waters than their elders, but the deep-sea catshark has not been recorded at any depth since the mid 1970s. Researchers and observers exploring the Southern Indian Ocean are keeping an eye out for the elusive species in hopes that it’ll turn up.